Index: src/saveload/afterload.cpp
===================================================================
--- src/saveload/afterload.cpp	(revision 27758)
+++ src/saveload/afterload.cpp	(working copy)
@@ -718,12 +718,14 @@
 	if (IsSavegameVersionBefore(95))   _settings_game.vehicle.dynamic_engines = 0;
 	if (IsSavegameVersionBefore(96))   _settings_game.economy.station_noise_level = false;
 	if (IsSavegameVersionBefore(133)) {
-		_settings_game.vehicle.roadveh_acceleration_model = 0;
 		_settings_game.vehicle.train_slope_steepness = 3;
 	}
 	if (IsSavegameVersionBefore(134))  _settings_game.economy.feeder_payment_share = 75;
 	if (IsSavegameVersionBefore(138))  _settings_game.vehicle.plane_crashes = 2;
-	if (IsSavegameVersionBefore(139))  _settings_game.vehicle.roadveh_slope_steepness = 7;
+	if (IsSavegameVersionBefore(139)) {
+		_settings_game.vehicle.roadveh_acceleration_model = 0;
+		_settings_game.vehicle.roadveh_slope_steepness = 7;
+	}
 	if (IsSavegameVersionBefore(143))  _settings_game.economy.allow_town_level_crossings = true;
 	if (IsSavegameVersionBefore(159)) {
 		_settings_game.vehicle.max_train_length = 50;
Index: src/table/settings.ini
===================================================================
--- src/table/settings.ini	(revision 27758)
+++ src/table/settings.ini	(working copy)
@@ -760,7 +760,7 @@
 var      = vehicle.train_acceleration_model
 type     = SLE_UINT8
 guiflags = SGF_MULTISTRING
-def      = 0
+def      = 1
 min      = 0
 max      = 1
 interval = 1
@@ -775,7 +775,7 @@
 type     = SLE_UINT8
 from     = 139
 guiflags = SGF_MULTISTRING
-def      = 0
+def      = 1
 min      = 0
 max      = 1
 interval = 1